Outlook Link Handling
Links from Outlook opening in Microsoft Edge instead of Chrome?
Change Outlook links default browser by following the steps below
1. File
2. Options
3. Advanced
4. Link Handling
5. Open hyper links from Outlook in: Choose Default Browser
Go to File | Options | Advanced | Link Handling

Open hyperlinks from Outlook in …
- Microsoft Edge
- Default Browser
The default browser is chosen in Windows Settings | Default Apps | choose your preferred browser then click ‘Set Default’.